# How to design electromagnet?

1. Dec 12, 2015

### amdam

I want to design electromagnet for my project. I want to know which formulas are used while designing electromagnets and methodology if we know repulsive force we require at a distance of 25mm from one end of electromagnet.

2. Dec 13, 2015

### CWatters

Look up Maxwell's Force Formula and perhaps see the links below under "Similar discussions..."